first selectofirmal languagefixed capacityfiring circuitfine structionfission capturefixed wheel gateflashover testfirst-item listflag operandflash testfission specierfission energyflat compoundfixed time lagfixed programfirm capacityflat fileflast armor tapefission neutronflash pulsingfixed crystalcushion ringflat fadingfixed blockfirst anodefinite clippingcushion socketfindes switchcustomer setfirst detectorflat rionflasher relayfixed stationcurved hornfixed chargefixed signalfire hydrantfinger platefixed-bias transistor circuitfixed-frequency transmittercurrent-voltage characteristicfine-chrominance primaryfixed-position addressingflashing discharging tubecurrent-controlled switchcurrent-balance protectioncurrent-limiting resistorfixed-point representationflat compound generatorcurrent-limiting relaycurrent-sensing resistorcurrent-carrying capacityflame-failure controlfixed-point notationfixed-point arthmeticcurrent-limiting reactorcurrent-stability factorcurve-drawing instrumentcurrent-sourcing logicfirst harmonic currentfirehose instabilityfission chainateialfixed-program computercustom-designed devicecurrent-transfer ratiofixed frequency iffflat frequency responsefinite observation timefire-control equipmentcurrent-balance methodflat band capacitancefixed resistance unitfirst group selectorcurrent-type telemeterflashback voltagefire extinguisherflame proof machinecurve of magnetizationcurrent-carrying partsfixed-sysle operationfixed voltage windingfire alarm telegraphcurve-drawing ammetercurrent-sinking logiccurrent-balance relayfixed time intervalfire proof machinefission cross sectionfission probabilityfixed roller bearingflame microphonecurrent-carrying ratingfinite state machinefirst preselectorfixed-cycle operationflashing of a dynamofixed attenuator padflash magnetizationfissionable mateialfixed-length recordfixed-field methodfirst order resultflashover relayfine range indicatorfixed transmitterfixed-point systemfirst-level codeflange connectorfinishing ratefixed product areafirst fresnel zonecurrent-mode logiccurvature effectfixed capacitorflag flip-flopcurrent-square meterfine-tuning controlflat leakage powerflap attenunatorflame resistancefishbone antennaflanking effectfirst selectorfixed-length fieldfission spectrumfirst audio stagefixed-head diskfire-control radarflashover voltageflat top responsefixed resistancefirst line finderfinite automatafixed resistorfiring anglefirst generationfiring potentialflange couplingfine regulationfirst harmonicfinished blankflash pointfinger testfire proofcurrent wavefission fuelfixed biasfixed serviceflare factorfiring pointcurve of sineflame prooffired statefired tubefirm powerfixed screenfinish leadfixed coilfixed logic